d/demangle.d

// Copyright (c) 2012-2016, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     * Redistributions in binary form must reproduce the above copyright
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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import std.stdio;
import std.demangle;
import std.regex;

auto idRegex = ctRegex!("[_$a-zA-Z][_$a-zA-Z0-9]*", "g");

void main() {
    string dem(Captures!(string) m) {
        return demangle(m.hit);
    }

    foreach (line; stdin.byLine()) {
        string s2 = cast(string)line;
        auto s = replaceAll!(dem)(s2, idRegex);
        writeln(s);
    }
}